The atomic number of elements A, B, C, D and E are given below: From the above table, answer the following questions : (i) Which two elements are chemically similar ? (ii) Which is an inert gas ? (iii) Which element belongs to 3 period of periodic table ? (iv) Which element among these is a non-metal ?

The atomic number of elements A, B, C, D and E are given below: Fro

1.	The atomic number of elements A, B, C, D and E are given below: From the above table, answer the following questions : (i) Which two elements are chemically similar ? (ii) Which is an inert gas ? (iii) Which element belongs to 3 period of periodic table ? (iv) Which element among these is a non-metal ?
Answer» SOLUTION :(i) C and D (II) B (III) C (iv) A